11
1.0 1.0 1.0
3.5 1.0 4.0
5.0 8.0 4.5
10.25 15.4 18.25
5.0 5.0 7.0
9.0 14.5 5.8
4.0 2.0 5.6
3.0 4.0 5.0
4.0 3.0 5.0
5.0 4.0 3.0
5.0 3.0 4.0